40758740 has 24 divisors (see below), whose sum is σ = 93375072. Its totient is φ = 14821280.

The previous prime is 40758701. The next prime is 40758763. The reversal of 40758740 is 4785704.

It is a happy number.

It is a super-2 number, since 2×40758740² = 3322549772775200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40758740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92414 + ... + 92853.

It is an arithmetic number, because the mean of its divisors is an integer number (3890628).

Almost surely, 2^40758740 is an apocalyptic number.

It is an amenable number.

40758740 is an abundant number, since it is smaller than the sum of its proper divisors (52616332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40758740 is a wasteful number, since it uses less digits than its factorization.

40758740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185287 (or 185285 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 40758740 is about 6384.2572003327. The cubic root of 40758740 is about 344.1440378420.

The spelling of 40758740 in words is "forty million, seven hundred fifty-eight thousand, seven hundred forty".